Hari Limaye 94473f4db6
[IRBuilder] Generate nuw GEPs for struct member accesses (#99538)
Generate nuw GEPs for struct member accesses, as inbounds + non-negative
implies nuw.

Regression tests are updated using update scripts where possible, and by
find + replace where not.
2024-08-09 13:25:04 +01:00

26 lines
873 B
Objective-C

// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fblocks -fobjc-arc -emit-llvm -o - %s | FileCheck %s
// CHECK: %[[STRUCT_A:.*]] = type { ptr }
typedef struct {
id f;
} A;
id a;
// Check that the compound literal is destructed at the end of the enclosing scope.
// CHECK-LABEL: define void @foo0()
// CHECK: %[[_COMPOUNDLITERAL:.*]] = alloca %[[STRUCT_A]], align 8
// CHECK: getelementptr inbounds nuw %[[STRUCT_A]], ptr %[[_COMPOUNDLITERAL]], i32 0, i32 0
// CHECK: %[[F1:.*]] = getelementptr inbounds nuw %[[STRUCT_A]], ptr %[[_COMPOUNDLITERAL]], i32 0, i32 0
// CHECK: %[[V2:.*]] = load ptr, ptr %[[F1]], align 8
// CHECK: call void asm sideeffect "", "r,~{dirflag},~{fpsr},~{flags}"(ptr %[[V2]])
// CHECK: call void asm sideeffect "",
// CHECK: call void @__destructor_8_s0(ptr %[[_COMPOUNDLITERAL]])
void foo0() {
asm("" : : "r"(((A){a}).f) );
asm("");
}